drivers/regulator/regulator_da1469x.c - third_party/github/zephyrproject-rtos/zephyr - Git at Google

 /*
  * Copyright 2023 Renesas Electronics Corporation
  * SPDX-License-Identifier: Apache-2.0
  */

 #define DT_DRV_COMPAT renesas_smartbond_regulator

 #include <stdint.h>

 #include <zephyr/drivers/regulator.h>
 #include <zephyr/logging/log.h>
 #include <zephyr/sys/linear_range.h>
 #include <DA1469xAB.h>

 LOG_MODULE_REGISTER(regulator_da1469x, CONFIG_REGULATOR_LOG_LEVEL);

 #define DCDC_REQUESTED (DCDC_DCDC_VDD_REG_DCDC_VDD_ENABLE_HV_Msk |\
 			DCDC_DCDC_VDD_REG_DCDC_VDD_ENABLE_LV_Msk)

 #define DA1469X_LDO_3V0_MODE_VBAT				BIT(8)
 #define DA1469X_LDO_3V0_MODE_VBUS				BIT(9)

 static const struct linear_range curren_ranges[] = {
 	LINEAR_RANGE_INIT(30000, 30000, 0, 31),
 };

 static const struct linear_range vdd_clamp_ranges[] = {
 	LINEAR_RANGE_INIT(706000, 0, 15, 15),
 	LINEAR_RANGE_INIT(798000, 0, 14, 14),
 	LINEAR_RANGE_INIT(828000, 0, 13, 13),
 	LINEAR_RANGE_INIT(861000, 0, 11, 11),
 	LINEAR_RANGE_INIT(862000, 0, 12, 12),
 	LINEAR_RANGE_INIT(889000, 0, 10, 10),
 	LINEAR_RANGE_INIT(918000, 0, 9, 9),
 	LINEAR_RANGE_INIT(946000, 0, 3, 3),
 	LINEAR_RANGE_INIT(952000, 0, 8, 8),
 	LINEAR_RANGE_INIT(978000, 0, 2, 2),
 	LINEAR_RANGE_INIT(1005000, 0, 1, 1),
 	LINEAR_RANGE_INIT(1030000, 0, 7, 7),
 	LINEAR_RANGE_INIT(1037000, 0, 0, 0),
 	LINEAR_RANGE_INIT(1058000, 0, 6, 6),
 	LINEAR_RANGE_INIT(1089000, 0, 5, 5),
 	LINEAR_RANGE_INIT(1120000, 0, 4, 4),
 };

 static const struct linear_range vdd_ranges[] = {
 	LINEAR_RANGE_INIT(900000, 100000, 0, 3),
 };

 static const struct linear_range vdd_sleep_ranges[] = {
 	LINEAR_RANGE_INIT(750000, 50000, 0, 3),
 };

 static const struct linear_range v14_ranges[] = {
 	LINEAR_RANGE_INIT(1200000, 50000, 0, 7),
 };

 static const struct linear_range v30_ranges[] = {
 	LINEAR_RANGE_INIT(3000000, 300000, 0, 1),
 };

 static const struct linear_range v18_ranges[] = {
 	LINEAR_RANGE_INIT(1200000, 600000, 0, 1),
 };

 static const struct linear_range v18p_ranges[] = {
 	LINEAR_RANGE_INIT(1800000, 0, 0, 0),
 };

 enum da1469x_rail {
 	VDD_CLAMP,
 	VDD_SLEEP,
 	VDD,
 	V14,
 	V18,
 	V18P,
 	V30,
 };

 struct regulator_da1469x_desc {
 	const struct linear_range *voltage_ranges;
 	const struct linear_range *current_ranges;
 	uint8_t voltage_range_count;
 	/* Bit from POWER_CTRL_REG that can be used for enabling rail */
 	uint32_t enable_mask;
 	uint32_t voltage_idx_mask;
 	volatile uint32_t *dcdc_register;
 };

 static const struct regulator_da1469x_desc vdd_desc = {
 	.voltage_ranges = vdd_ranges,
 	.current_ranges = curren_ranges,
 	.voltage_range_count = ARRAY_SIZE(vdd_ranges),
 	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_CORE_ENABLE_Msk,
 	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_VDD_LEVEL_Msk,
 	.dcdc_register = &DCDC->DCDC_VDD_REG,
 };

 static const struct regulator_da1469x_desc vdd_sleep_desc = {
 	.voltage_ranges = vdd_sleep_ranges,
 	.voltage_range_count = ARRAY_SIZE(vdd_sleep_ranges),
 	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_CORE_RET_ENABLE_SLEEP_Msk,
 	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_VDD_SLEEP_LEVEL_Msk,
 };

 static const struct regulator_da1469x_desc vdd_clamp_desc = {
 	.voltage_ranges = vdd_clamp_ranges,
 	.voltage_range_count = ARRAY_SIZE(vdd_clamp_ranges),
 	.enable_mask = 0,
 	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_VDD_CLAMP_LEVEL_Msk,
 };

 static const struct regulator_da1469x_desc v14_desc = {
 	.voltage_ranges = v14_ranges,
 	.current_ranges = curren_ranges,
 	.voltage_range_count = ARRAY_SIZE(v14_ranges),
 	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_RADIO_ENABLE_Msk,
 	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_V14_LEVEL_Msk,
 	.dcdc_register = &DCDC->DCDC_V14_REG,
 };

 static const struct regulator_da1469x_desc v18_desc = {
 	.voltage_ranges = v18_ranges,
 	.current_ranges = curren_ranges,
 	.voltage_range_count = ARRAY_SIZE(v18_ranges),
 	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_1V8_ENABLE_Msk |
 		       CRG_TOP_POWER_CTRL_REG_LDO_1V8_RET_ENABLE_SLEEP_Msk,
 	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_V18_LEVEL_Msk,
 	.dcdc_register = &DCDC->DCDC_V18_REG,
 };

 static const struct regulator_da1469x_desc v18p_desc = {
 	.voltage_ranges = v18p_ranges,
 	.current_ranges = curren_ranges,
 	.voltage_range_count = ARRAY_SIZE(v18p_ranges),
 	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_1V8P_ENABLE_Msk |
 		       CRG_TOP_POWER_CTRL_REG_LDO_1V8P_RET_ENABLE_SLEEP_Msk,
 	.voltage_idx_mask = 0,
 	.dcdc_register = &DCDC->DCDC_V18P_REG,
 };

 static const struct regulator_da1469x_desc v30_desc = {
 	.voltage_ranges = v30_ranges,
 	.voltage_range_count = ARRAY_SIZE(v30_ranges),
 	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_3V0_RET_ENABLE_SLEEP_Msk |
 		       CRG_TOP_POWER_CTRL_REG_LDO_3V0_MODE_Msk,
 	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_V30_LEVEL_Msk,
 };

 #define DA1469X_LDO_VDD_CLAMP_RET	0
 #define DA1469X_LDO_VDD_SLEEP_RET	0
 #define DA1469X_LDO_VDD_RET		CRG_TOP_POWER_CTRL_REG_LDO_CORE_RET_ENABLE_SLEEP_Msk
 #define DA1469X_LDO_V14_RET		0
 #define DA1469X_LDO_V18_RET		CRG_TOP_POWER_CTRL_REG_LDO_1V8_RET_ENABLE_SLEEP_Msk
 #define DA1469X_LDO_V18P_RET		CRG_TOP_POWER_CTRL_REG_LDO_1V8P_RET_ENABLE_SLEEP_Msk
 #define DA1469X_LDO_V30_RET		CRG_TOP_POWER_CTRL_REG_LDO_3V0_RET_ENABLE_SLEEP_Msk

 struct regulator_da1469x_config {
 	struct regulator_common_config common;
 	enum da1469x_rail rail;
 	const struct regulator_da1469x_desc *desc;
 	uint32_t power_bits;
 	uint32_t dcdc_bits;
 };

 struct regulator_da1469x_data {
 	struct regulator_common_data common;
 };

 static int regulator_da1469x_enable(const struct device *dev)
 {
 	const struct regulator_da1469x_config *config = dev->config;
 	uint32_t reg_val;

 	if (config->desc->enable_mask & config->power_bits) {
 		reg_val = CRG_TOP->POWER_CTRL_REG & ~(config->desc->enable_mask);
 		reg_val |= config->power_bits & config->desc->enable_mask;
 		CRG_TOP->POWER_CTRL_REG |= reg_val;
 	}

 	if (config->desc->dcdc_register) {
 		reg_val = *config->desc->dcdc_register &
 			  ~(DCDC_DCDC_V14_REG_DCDC_V14_ENABLE_HV_Msk |
 			    DCDC_DCDC_V14_REG_DCDC_V14_ENABLE_LV_Msk);
 		reg_val |= config->dcdc_bits;
 		*config->desc->dcdc_register = reg_val;
 	}

 	/*
 	 * Enable DCDC if:
 	 * 1. it was not already enabled, and
 	 * 2. VBAT is above minimal value
 	 * 3. Just turned on rail requested DCDC
 	 */
 	if (((DCDC->DCDC_CTRL1_REG & DCDC_DCDC_CTRL1_REG_DCDC_ENABLE_Msk) == 0) &&
 	    (CRG_TOP->ANA_STATUS_REG & CRG_TOP_ANA_STATUS_REG_COMP_VBAT_HIGH_Msk) &&
 	    config->dcdc_bits & DCDC_REQUESTED) {
 		DCDC->DCDC_CTRL1_REG |= DCDC_DCDC_CTRL1_REG_DCDC_ENABLE_Msk;
 	}

 	return 0;
 }

 static int regulator_da1469x_disable(const struct device *dev)
 {
 	const struct regulator_da1469x_config *config = dev->config;
 	uint32_t reg_val;

 	if (config->desc->enable_mask & config->power_bits) {
 		CRG_TOP->POWER_CTRL_REG &= ~(config->desc->enable_mask &
 					     config->power_bits);
 	}
 	if (config->desc->dcdc_register) {
 		reg_val = *config->desc->dcdc_register &
 			  ~(DCDC_DCDC_V14_REG_DCDC_V14_ENABLE_HV_Msk |
 			    DCDC_DCDC_V14_REG_DCDC_V14_ENABLE_LV_Msk);
 		*config->desc->dcdc_register = reg_val;
 	}

 	/* Turn off DCDC if it's no longer requested by any rail */
 	if ((DCDC->DCDC_CTRL1_REG & DCDC_DCDC_CTRL1_REG_DCDC_ENABLE_Msk) &&
 	    (DCDC->DCDC_VDD_REG & DCDC_REQUESTED) == 0 &&
 	    (DCDC->DCDC_V14_REG & DCDC_REQUESTED) == 0 &&
 	    (DCDC->DCDC_V18_REG & DCDC_REQUESTED) == 0 &&
 	    (DCDC->DCDC_V18P_REG & DCDC_REQUESTED) == 0) {
 		DCDC->DCDC_CTRL1_REG &= ~DCDC_DCDC_CTRL1_REG_DCDC_ENABLE_Msk;
 	}

 	return 0;
 }

 static unsigned int regulator_da1469x_count_voltages(const struct device *dev)
 {
 	const struct regulator_da1469x_config *config = dev->config;

 	return linear_range_group_values_count(config->desc->voltage_ranges,
 					       config->desc->voltage_range_count);
 }

 static int regulator_da1469x_list_voltage(const struct device *dev,
 					  unsigned int idx,
 					  int32_t *volt_uv)
 {
 	const struct regulator_da1469x_config *config = dev->config;

 	if (config->desc->voltage_ranges) {
 		return linear_range_group_get_value(config->desc->voltage_ranges,
 						    config->desc->voltage_range_count,
 						    idx, volt_uv);
 	}

 	return -ENOTSUP;
 }

 static int regulator_da1469x_set_voltage(const struct device *dev, int32_t min_uv,
 					 int32_t max_uv)
 {
 	int ret;
 	const struct regulator_da1469x_config *config = dev->config;
 	uint16_t idx;
 	uint32_t mask;

 	ret = linear_range_group_get_win_index(config->desc->voltage_ranges,
 					       config->desc->voltage_range_count,
 					       min_uv, max_uv, &idx);

 	if (ret == 0) {
 		mask = config->desc->voltage_idx_mask;
 		/*
 		 * Mask is 0 for V18.
 		 * Setting value 1.8V is accepted since range is valid and already checked.
 		 */
 		if (mask) {
 			CRG_TOP->POWER_CTRL_REG = (CRG_TOP->POWER_CTRL_REG & ~mask) |
 						  FIELD_PREP(mask, idx);
 		}
 	}

 	return ret;
 }

 static int regulator_da1469x_get_voltage(const struct device *dev,
 					 int32_t *volt_uv)
 {
 	const struct regulator_da1469x_config *config = dev->config;
 	uint16_t idx;

 	if (config->desc->voltage_idx_mask) {
 		idx = FIELD_GET(CRG_TOP->POWER_CTRL_REG, config->desc->voltage_idx_mask);
 	} else {
 		idx = 0;
 	}

 	return linear_range_group_get_value(config->desc->voltage_ranges,
 					    config->desc->voltage_range_count, idx, volt_uv);
 }

 static int regulator_da1469x_set_current_limit(const struct device *dev,
 					       int32_t min_ua, int32_t max_ua)
 {
 	const struct regulator_da1469x_config *config = dev->config;
 	int ret;
 	uint16_t idx;
 	uint32_t reg_val;

 	if (config->desc->current_ranges == NULL) {
 		return -ENOTSUP;
 	}

 	ret = linear_range_group_get_win_index(config->desc->current_ranges,
 					       1,
 					       min_ua, max_ua, &idx);
 	if (ret) {
 		return ret;
 	}

 	/* All registers have same bits layout */
 	reg_val = *config->desc->dcdc_register & ~(DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MAX_HV_Msk |
 						   DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MAX_LV_Msk |
 						   DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MIN_Msk);
 	reg_val |= FIELD_PREP(DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MAX_HV_Msk, idx);
 	reg_val |= FIELD_PREP(DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MAX_LV_Msk, idx);
 	reg_val |= FIELD_PREP(DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MIN_Msk, idx);

 	*config->desc->dcdc_register = reg_val;

 	return ret;
 }

 static int regulator_da1469x_get_current_limit(const struct device *dev,
 					       int32_t *curr_ua)
 {
 	const struct regulator_da1469x_config *config = dev->config;
 	int ret;
 	uint16_t idx;

 	if (config->desc->current_ranges == NULL) {
 		return -ENOTSUP;
 	}
 	idx = FIELD_GET(*config->desc->dcdc_register,
 			DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MAX_HV_Msk);
 	ret = linear_range_group_get_value(config->desc->current_ranges, 1, idx, curr_ua);

 	return ret;
 }

 static const struct regulator_driver_api regulator_da1469x_api = {
 	.enable = regulator_da1469x_enable,
 	.disable = regulator_da1469x_disable,
 	.count_voltages = regulator_da1469x_count_voltages,
 	.list_voltage = regulator_da1469x_list_voltage,
 	.set_voltage = regulator_da1469x_set_voltage,
 	.get_voltage = regulator_da1469x_get_voltage,
 	.set_current_limit = regulator_da1469x_set_current_limit,
 	.get_current_limit = regulator_da1469x_get_current_limit,
 };

 static int regulator_da1469x_init(const struct device *dev)
 {
 	const struct regulator_da1469x_config *config = dev->config;

 	regulator_common_data_init(dev);

 	if ((config->rail == V30) &&
 	    (config->power_bits & CRG_TOP_POWER_CTRL_REG_LDO_3V0_REF_Msk)) {
 		CRG_TOP->POWER_CTRL_REG |= CRG_TOP_POWER_CTRL_REG_LDO_3V0_REF_Msk;
 	}

 	return regulator_common_init(dev, 0);
 }

 #define REGULATOR_DA1469X_DEFINE(node, id, rail_id)                            \
 	static struct regulator_da1469x_data data_##id;                        \
                                                                                \
 	static const struct regulator_da1469x_config config_##id = {           \
 		.common = REGULATOR_DT_COMMON_CONFIG_INIT(node),               \
 		.desc = &id ## _desc,                                          \
 		.power_bits =                                                  \
 			(DT_PROP(node, renesas_regulator_v30_clamp) *          \
 			CRG_TOP_POWER_CTRL_REG_CLAMP_3V0_VBAT_ENABLE_Msk) |    \
 			(DT_PROP(node, renesas_regulator_v30_vbus) *           \
 			DA1469X_LDO_3V0_MODE_VBAT) |                           \
 			(DT_PROP(node, renesas_regulator_v30_vbat) *           \
 			DA1469X_LDO_3V0_MODE_VBUS) |                           \
 			(DT_PROP(node, renesas_regulator_sleep_ldo) *          \
 			(DA1469X_LDO_ ## rail_id ##_RET)) |                    \
 			(DT_PROP(node, renesas_regulator_v30_ref_bandgap) *    \
 			CRG_TOP_POWER_CTRL_REG_LDO_3V0_REF_Msk),               \
 		.dcdc_bits =                                                   \
 			(DT_PROP(node, renesas_regulator_dcdc_vbat_high) *     \
 			DCDC_DCDC_VDD_REG_DCDC_VDD_ENABLE_HV_Msk) |            \
 			(DT_PROP(node, renesas_regulator_dcdc_vbat_low) *      \
 			DCDC_DCDC_VDD_REG_DCDC_VDD_ENABLE_LV_Msk)              \
 	};                                                                     \
 	DEVICE_DT_DEFINE(node, regulator_da1469x_init, NULL, &data_##id,       \
 			 &config_##id, PRE_KERNEL_1,                           \
 			 CONFIG_REGULATOR_DA1469X_INIT_PRIORITY,               \
 			 &regulator_da1469x_api);

 #define REGULATOR_DA1469X_DEFINE_COND(inst, child, source)                     \
 	COND_CODE_1(DT_NODE_EXISTS(DT_INST_CHILD(inst, child)),                \
 		    (REGULATOR_DA1469X_DEFINE(                                 \
 			DT_INST_CHILD(inst, child), child, source)),           \
 		    ())

 #define REGULATOR_DA1469X_DEFINE_ALL(inst)                                     \
 	REGULATOR_DA1469X_DEFINE_COND(inst, vdd_clamp, VDD_CLAMP)              \
 	REGULATOR_DA1469X_DEFINE_COND(inst, vdd_sleep, VDD_SLEEP)              \
 	REGULATOR_DA1469X_DEFINE_COND(inst, vdd, VDD)                          \
 	REGULATOR_DA1469X_DEFINE_COND(inst, v14, V14)                          \
 	REGULATOR_DA1469X_DEFINE_COND(inst, v18, V18)                          \
 	REGULATOR_DA1469X_DEFINE_COND(inst, v18p, V18P)                        \
 	REGULATOR_DA1469X_DEFINE_COND(inst, v30, V30)                          \

 DT_INST_FOREACH_STATUS_OKAY(REGULATOR_DA1469X_DEFINE_ALL)
	/*
	* Copyright 2023 Renesas Electronics Corporation
	* SPDX-License-Identifier: Apache-2.0
	*/

	#define DT_DRV_COMPAT renesas_smartbond_regulator

	#include <stdint.h>

	#include <zephyr/drivers/regulator.h>
	#include <zephyr/logging/log.h>
	#include <zephyr/sys/linear_range.h>
	#include <DA1469xAB.h>

	LOG_MODULE_REGISTER(regulator_da1469x, CONFIG_REGULATOR_LOG_LEVEL);

	#define DCDC_REQUESTED (DCDC_DCDC_VDD_REG_DCDC_VDD_ENABLE_HV_Msk \|\
	DCDC_DCDC_VDD_REG_DCDC_VDD_ENABLE_LV_Msk)

	#define DA1469X_LDO_3V0_MODE_VBAT BIT(8)
	#define DA1469X_LDO_3V0_MODE_VBUS BIT(9)

	static const struct linear_range curren_ranges[] = {
	LINEAR_RANGE_INIT(30000, 30000, 0, 31),
	};

	static const struct linear_range vdd_clamp_ranges[] = {
	LINEAR_RANGE_INIT(706000, 0, 15, 15),
	LINEAR_RANGE_INIT(798000, 0, 14, 14),
	LINEAR_RANGE_INIT(828000, 0, 13, 13),
	LINEAR_RANGE_INIT(861000, 0, 11, 11),
	LINEAR_RANGE_INIT(862000, 0, 12, 12),
	LINEAR_RANGE_INIT(889000, 0, 10, 10),
	LINEAR_RANGE_INIT(918000, 0, 9, 9),
	LINEAR_RANGE_INIT(946000, 0, 3, 3),
	LINEAR_RANGE_INIT(952000, 0, 8, 8),
	LINEAR_RANGE_INIT(978000, 0, 2, 2),
	LINEAR_RANGE_INIT(1005000, 0, 1, 1),
	LINEAR_RANGE_INIT(1030000, 0, 7, 7),
	LINEAR_RANGE_INIT(1037000, 0, 0, 0),
	LINEAR_RANGE_INIT(1058000, 0, 6, 6),
	LINEAR_RANGE_INIT(1089000, 0, 5, 5),
	LINEAR_RANGE_INIT(1120000, 0, 4, 4),
	};

	static const struct linear_range vdd_ranges[] = {
	LINEAR_RANGE_INIT(900000, 100000, 0, 3),
	};

	static const struct linear_range vdd_sleep_ranges[] = {
	LINEAR_RANGE_INIT(750000, 50000, 0, 3),
	};

	static const struct linear_range v14_ranges[] = {
	LINEAR_RANGE_INIT(1200000, 50000, 0, 7),
	};

	static const struct linear_range v30_ranges[] = {
	LINEAR_RANGE_INIT(3000000, 300000, 0, 1),
	};

	static const struct linear_range v18_ranges[] = {
	LINEAR_RANGE_INIT(1200000, 600000, 0, 1),
	};

	static const struct linear_range v18p_ranges[] = {
	LINEAR_RANGE_INIT(1800000, 0, 0, 0),
	};

	enum da1469x_rail {
	VDD_CLAMP,
	VDD_SLEEP,
	VDD,
	V14,
	V18,
	V18P,
	V30,
	};

	struct regulator_da1469x_desc {
	const struct linear_range *voltage_ranges;
	const struct linear_range *current_ranges;
	uint8_t voltage_range_count;
	/* Bit from POWER_CTRL_REG that can be used for enabling rail */
	uint32_t enable_mask;
	uint32_t voltage_idx_mask;
	volatile uint32_t *dcdc_register;
	};

	static const struct regulator_da1469x_desc vdd_desc = {
	.voltage_ranges = vdd_ranges,
	.current_ranges = curren_ranges,
	.voltage_range_count = ARRAY_SIZE(vdd_ranges),
	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_CORE_ENABLE_Msk,
	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_VDD_LEVEL_Msk,
	.dcdc_register = &DCDC->DCDC_VDD_REG,
	};

	static const struct regulator_da1469x_desc vdd_sleep_desc = {
	.voltage_ranges = vdd_sleep_ranges,
	.voltage_range_count = ARRAY_SIZE(vdd_sleep_ranges),
	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_CORE_RET_ENABLE_SLEEP_Msk,
	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_VDD_SLEEP_LEVEL_Msk,
	};

	static const struct regulator_da1469x_desc vdd_clamp_desc = {
	.voltage_ranges = vdd_clamp_ranges,
	.voltage_range_count = ARRAY_SIZE(vdd_clamp_ranges),
	.enable_mask = 0,
	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_VDD_CLAMP_LEVEL_Msk,
	};

	static const struct regulator_da1469x_desc v14_desc = {
	.voltage_ranges = v14_ranges,
	.current_ranges = curren_ranges,
	.voltage_range_count = ARRAY_SIZE(v14_ranges),
	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_RADIO_ENABLE_Msk,
	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_V14_LEVEL_Msk,
	.dcdc_register = &DCDC->DCDC_V14_REG,
	};

	static const struct regulator_da1469x_desc v18_desc = {
	.voltage_ranges = v18_ranges,
	.current_ranges = curren_ranges,
	.voltage_range_count = ARRAY_SIZE(v18_ranges),
	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_1V8_ENABLE_Msk \|
	CRG_TOP_POWER_CTRL_REG_LDO_1V8_RET_ENABLE_SLEEP_Msk,
	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_V18_LEVEL_Msk,
	.dcdc_register = &DCDC->DCDC_V18_REG,
	};

	static const struct regulator_da1469x_desc v18p_desc = {
	.voltage_ranges = v18p_ranges,
	.current_ranges = curren_ranges,
	.voltage_range_count = ARRAY_SIZE(v18p_ranges),
	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_1V8P_ENABLE_Msk \|
	CRG_TOP_POWER_CTRL_REG_LDO_1V8P_RET_ENABLE_SLEEP_Msk,
	.voltage_idx_mask = 0,
	.dcdc_register = &DCDC->DCDC_V18P_REG,
	};

	static const struct regulator_da1469x_desc v30_desc = {
	.voltage_ranges = v30_ranges,
	.voltage_range_count = ARRAY_SIZE(v30_ranges),
	.enable_mask = CRG_TOP_POWER_CTRL_REG_LDO_3V0_RET_ENABLE_SLEEP_Msk \|
	CRG_TOP_POWER_CTRL_REG_LDO_3V0_MODE_Msk,
	.voltage_idx_mask = CRG_TOP_POWER_CTRL_REG_V30_LEVEL_Msk,
	};

	#define DA1469X_LDO_VDD_CLAMP_RET 0
	#define DA1469X_LDO_VDD_SLEEP_RET 0
	#define DA1469X_LDO_VDD_RET CRG_TOP_POWER_CTRL_REG_LDO_CORE_RET_ENABLE_SLEEP_Msk
	#define DA1469X_LDO_V14_RET 0
	#define DA1469X_LDO_V18_RET CRG_TOP_POWER_CTRL_REG_LDO_1V8_RET_ENABLE_SLEEP_Msk
	#define DA1469X_LDO_V18P_RET CRG_TOP_POWER_CTRL_REG_LDO_1V8P_RET_ENABLE_SLEEP_Msk
	#define DA1469X_LDO_V30_RET CRG_TOP_POWER_CTRL_REG_LDO_3V0_RET_ENABLE_SLEEP_Msk

	struct regulator_da1469x_config {
	struct regulator_common_config common;
	enum da1469x_rail rail;
	const struct regulator_da1469x_desc *desc;
	uint32_t power_bits;
	uint32_t dcdc_bits;
	};

	struct regulator_da1469x_data {
	struct regulator_common_data common;
	};

	static int regulator_da1469x_enable(const struct device *dev)
	{
	const struct regulator_da1469x_config *config = dev->config;
	uint32_t reg_val;

	if (config->desc->enable_mask & config->power_bits) {
	reg_val = CRG_TOP->POWER_CTRL_REG & ~(config->desc->enable_mask);
	reg_val \|= config->power_bits & config->desc->enable_mask;
	CRG_TOP->POWER_CTRL_REG \|= reg_val;
	}

	if (config->desc->dcdc_register) {
	reg_val = *config->desc->dcdc_register &
	~(DCDC_DCDC_V14_REG_DCDC_V14_ENABLE_HV_Msk \|
	DCDC_DCDC_V14_REG_DCDC_V14_ENABLE_LV_Msk);
	reg_val \|= config->dcdc_bits;
	*config->desc->dcdc_register = reg_val;
	}

	/*
	* Enable DCDC if:
	* 1. it was not already enabled, and
	* 2. VBAT is above minimal value
	* 3. Just turned on rail requested DCDC
	*/
	if (((DCDC->DCDC_CTRL1_REG & DCDC_DCDC_CTRL1_REG_DCDC_ENABLE_Msk) == 0) &&
	(CRG_TOP->ANA_STATUS_REG & CRG_TOP_ANA_STATUS_REG_COMP_VBAT_HIGH_Msk) &&
	config->dcdc_bits & DCDC_REQUESTED) {
	DCDC->DCDC_CTRL1_REG \|= DCDC_DCDC_CTRL1_REG_DCDC_ENABLE_Msk;
	}

	return 0;
	}

	static int regulator_da1469x_disable(const struct device *dev)
	{
	const struct regulator_da1469x_config *config = dev->config;
	uint32_t reg_val;

	if (config->desc->enable_mask & config->power_bits) {
	CRG_TOP->POWER_CTRL_REG &= ~(config->desc->enable_mask &
	config->power_bits);
	}
	if (config->desc->dcdc_register) {
	reg_val = *config->desc->dcdc_register &
	~(DCDC_DCDC_V14_REG_DCDC_V14_ENABLE_HV_Msk \|
	DCDC_DCDC_V14_REG_DCDC_V14_ENABLE_LV_Msk);
	*config->desc->dcdc_register = reg_val;
	}

	/* Turn off DCDC if it's no longer requested by any rail */
	if ((DCDC->DCDC_CTRL1_REG & DCDC_DCDC_CTRL1_REG_DCDC_ENABLE_Msk) &&
	(DCDC->DCDC_VDD_REG & DCDC_REQUESTED) == 0 &&
	(DCDC->DCDC_V14_REG & DCDC_REQUESTED) == 0 &&
	(DCDC->DCDC_V18_REG & DCDC_REQUESTED) == 0 &&
	(DCDC->DCDC_V18P_REG & DCDC_REQUESTED) == 0) {
	DCDC->DCDC_CTRL1_REG &= ~DCDC_DCDC_CTRL1_REG_DCDC_ENABLE_Msk;
	}

	return 0;
	}

	static unsigned int regulator_da1469x_count_voltages(const struct device *dev)
	{
	const struct regulator_da1469x_config *config = dev->config;

	return linear_range_group_values_count(config->desc->voltage_ranges,
	config->desc->voltage_range_count);
	}

	static int regulator_da1469x_list_voltage(const struct device *dev,
	unsigned int idx,
	int32_t *volt_uv)
	{
	const struct regulator_da1469x_config *config = dev->config;

	if (config->desc->voltage_ranges) {
	return linear_range_group_get_value(config->desc->voltage_ranges,
	config->desc->voltage_range_count,
	idx, volt_uv);
	}

	return -ENOTSUP;
	}

	static int regulator_da1469x_set_voltage(const struct device *dev, int32_t min_uv,
	int32_t max_uv)
	{
	int ret;
	const struct regulator_da1469x_config *config = dev->config;
	uint16_t idx;
	uint32_t mask;

	ret = linear_range_group_get_win_index(config->desc->voltage_ranges,
	config->desc->voltage_range_count,
	min_uv, max_uv, &idx);

	if (ret == 0) {
	mask = config->desc->voltage_idx_mask;
	/*
	* Mask is 0 for V18.
	* Setting value 1.8V is accepted since range is valid and already checked.
	*/
	if (mask) {
	CRG_TOP->POWER_CTRL_REG = (CRG_TOP->POWER_CTRL_REG & ~mask) \|
	FIELD_PREP(mask, idx);
	}
	}

	return ret;
	}

	static int regulator_da1469x_get_voltage(const struct device *dev,
	int32_t *volt_uv)
	{
	const struct regulator_da1469x_config *config = dev->config;
	uint16_t idx;

	if (config->desc->voltage_idx_mask) {
	idx = FIELD_GET(CRG_TOP->POWER_CTRL_REG, config->desc->voltage_idx_mask);
	} else {
	idx = 0;
	}

	return linear_range_group_get_value(config->desc->voltage_ranges,
	config->desc->voltage_range_count, idx, volt_uv);
	}

	static int regulator_da1469x_set_current_limit(const struct device *dev,
	int32_t min_ua, int32_t max_ua)
	{
	const struct regulator_da1469x_config *config = dev->config;
	int ret;
	uint16_t idx;
	uint32_t reg_val;

	if (config->desc->current_ranges == NULL) {
	return -ENOTSUP;
	}

	ret = linear_range_group_get_win_index(config->desc->current_ranges,
	1,
	min_ua, max_ua, &idx);
	if (ret) {
	return ret;
	}

	/* All registers have same bits layout */
	reg_val = *config->desc->dcdc_register & ~(DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MAX_HV_Msk \|
	DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MAX_LV_Msk \|
	DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MIN_Msk);
	reg_val \|= FIELD_PREP(DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MAX_HV_Msk, idx);
	reg_val \|= FIELD_PREP(DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MAX_LV_Msk, idx);
	reg_val \|= FIELD_PREP(DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MIN_Msk, idx);

	*config->desc->dcdc_register = reg_val;

	return ret;
	}

	static int regulator_da1469x_get_current_limit(const struct device *dev,
	int32_t *curr_ua)
	{
	const struct regulator_da1469x_config *config = dev->config;
	int ret;
	uint16_t idx;

	if (config->desc->current_ranges == NULL) {
	return -ENOTSUP;
	}
	idx = FIELD_GET(*config->desc->dcdc_register,
	DCDC_DCDC_V14_REG_DCDC_V14_CUR_LIM_MAX_HV_Msk);
	ret = linear_range_group_get_value(config->desc->current_ranges, 1, idx, curr_ua);

	return ret;
	}

	static const struct regulator_driver_api regulator_da1469x_api = {
	.enable = regulator_da1469x_enable,
	.disable = regulator_da1469x_disable,
	.count_voltages = regulator_da1469x_count_voltages,
	.list_voltage = regulator_da1469x_list_voltage,
	.set_voltage = regulator_da1469x_set_voltage,
	.get_voltage = regulator_da1469x_get_voltage,
	.set_current_limit = regulator_da1469x_set_current_limit,
	.get_current_limit = regulator_da1469x_get_current_limit,
	};

	static int regulator_da1469x_init(const struct device *dev)
	{
	const struct regulator_da1469x_config *config = dev->config;

	regulator_common_data_init(dev);

	if ((config->rail == V30) &&
	(config->power_bits & CRG_TOP_POWER_CTRL_REG_LDO_3V0_REF_Msk)) {
	CRG_TOP->POWER_CTRL_REG \|= CRG_TOP_POWER_CTRL_REG_LDO_3V0_REF_Msk;
	}

	return regulator_common_init(dev, 0);
	}

	#define REGULATOR_DA1469X_DEFINE(node, id, rail_id) \
	static struct regulator_da1469x_data data_##id; \
	\
	static const struct regulator_da1469x_config config_##id = { \
	.common = REGULATOR_DT_COMMON_CONFIG_INIT(node), \
	.desc = &id ## _desc, \
	.power_bits = \
	(DT_PROP(node, renesas_regulator_v30_clamp) * \
	CRG_TOP_POWER_CTRL_REG_CLAMP_3V0_VBAT_ENABLE_Msk) \| \
	(DT_PROP(node, renesas_regulator_v30_vbus) * \
	DA1469X_LDO_3V0_MODE_VBAT) \| \
	(DT_PROP(node, renesas_regulator_v30_vbat) * \
	DA1469X_LDO_3V0_MODE_VBUS) \| \
	(DT_PROP(node, renesas_regulator_sleep_ldo) * \
	(DA1469X_LDO_ ## rail_id ##_RET)) \| \
	(DT_PROP(node, renesas_regulator_v30_ref_bandgap) * \
	CRG_TOP_POWER_CTRL_REG_LDO_3V0_REF_Msk), \
	.dcdc_bits = \
	(DT_PROP(node, renesas_regulator_dcdc_vbat_high) * \
	DCDC_DCDC_VDD_REG_DCDC_VDD_ENABLE_HV_Msk) \| \
	(DT_PROP(node, renesas_regulator_dcdc_vbat_low) * \
	DCDC_DCDC_VDD_REG_DCDC_VDD_ENABLE_LV_Msk) \
	}; \
	DEVICE_DT_DEFINE(node, regulator_da1469x_init, NULL, &data_##id, \
	&config_##id, PRE_KERNEL_1, \
	CONFIG_REGULATOR_DA1469X_INIT_PRIORITY, \
	&regulator_da1469x_api);

	#define REGULATOR_DA1469X_DEFINE_COND(inst, child, source) \
	COND_CODE_1(DT_NODE_EXISTS(DT_INST_CHILD(inst, child)), \
	(REGULATOR_DA1469X_DEFINE( \
	DT_INST_CHILD(inst, child), child, source)), \
	())

	#define REGULATOR_DA1469X_DEFINE_ALL(inst) \
	REGULATOR_DA1469X_DEFINE_COND(inst, vdd_clamp, VDD_CLAMP) \
	REGULATOR_DA1469X_DEFINE_COND(inst, vdd_sleep, VDD_SLEEP) \
	REGULATOR_DA1469X_DEFINE_COND(inst, vdd, VDD) \
	REGULATOR_DA1469X_DEFINE_COND(inst, v14, V14) \
	REGULATOR_DA1469X_DEFINE_COND(inst, v18, V18) \
	REGULATOR_DA1469X_DEFINE_COND(inst, v18p, V18P) \
	REGULATOR_DA1469X_DEFINE_COND(inst, v30, V30) \

	DT_INST_FOREACH_STATUS_OKAY(REGULATOR_DA1469X_DEFINE_ALL)